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Question

A heavy piece of machinery is raised by sliding it a distance of d=10m along a plank oriented at an angle, θ=60 as shown in figure. How far has it moved vertically and horizontally?


A

x- 8.66m, y- 5m

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B

x - 5m, y- 9m

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C

x-5m, y-8.66m

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D

x-4.5m, y-8.66m

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Solution

The correct option is C

x-5m, y-8.66m


Using simple trigonometry

xcomponent=10cos60=10×12=5m

ycomponent=10sin60=10×32=8.66m


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